Phosgene odor threshold

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August undefined, 2024

WebThe odor threshold for phosgene is about 0.5 to 1 ppm. This level will vary with the individual and is usually higher following exposure because of olfactory fatigue. Mild: No adverse health effects or mild upper airway irritation; effects may improve when the victim is removed from exposure. More severe adverse health Web2O) is a colorless, nonflammable gas with an odor like newly mown hay. Phosgene is produced commercially by chlorinating carbon monoxide. Phosgene has a health hazard rating of 4, which designates a highly toxic material. Odor is an insufficient warning of hazardous concentrations. The odor threshold is 5 times higher than the OSHA Permissible

Phosgene NIOSH CDC

Weblow the odor recognition threshold (odor threshold, 0.4 to 1.5 ppm).10 Moreover, olfactory fatigue occurs promptly and phosgene odor can be masked by many other smells. Phos-gene vapor irritates the eyes and mucous membranes, but only at con-centrations too high to provide ade-quate warning (irritation threshold, 3 ppm). Phosgene is only ... WebFeb 27, 2024 · In the scientific literature today, phosgene’s odor (safety classification E) has been reported to resemble newly mowed hay or grass with a threshold for human … grace fongsamut

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WebCheryl B. Bast, Dana F. Glass-Mattie, in Handbook of Toxicology of Chemical Warfare Agents (Second Edition), 2015 Concluding Remarks and Future Directions. Phosgene is a colorless gas at ambient temperature and pressure, and inhalation is the most important route of exposure for phosgene. The odor of phosgene has been described as similar to newly … WebJan 17, 2024 · What is the odor threshold for phosgene? Odor Threshold: The odor threshold of phosgene has been reported as 0.125 ppm by the ILO, 0.5 to 1.0 ppm by Thienes and Haley, and 0.5 ppm by both Patty and May. Is … WebOdor; Odor Threshold; Other Properties; Solubilities; Vapor Density; Vapor Pressure; Viscosity; Hazmat. ... Phosgene CAS RN: 75-44-5 Threshold Limit Values. 8 hr Time … chill factor screenwash

Phosgene - Threshold Limit Values

WebPhosgene is a lung toxicant that causes damage to the capillaries, bronchioles and alveoli of the lungs, by decomposition to hydrochloric acid. There is little immediate irritant effect … WebOdor No information available Odor Threshold No information available pH No information available Melting Point/Range No data available Boiling Point/Range 73 °C / 163.4 °F @ 760 mmHg Flash Point 62 °C / 143.6 °F Evaporation Rate No information available Flammability (solid,gas) Not applicable Flammability or explosive limits Upper No data ... chill factor movie castWebDescription: Phosgene (CG) is a colorless gas above boiling point. Fog-like when concentrated. CG is a colorless, fuming liquid below boiling point. May have ... inhalation warning properties due to olfactory fatigue; in addition, th e odor threshold for CG is 0.4 ppm, 4 times greater than OSHA PEL, providing insufficient chill factor ice cream maker instructions

"WebPhosgene is transported as a liquid. during World War I followed the explosion of liquid filled shells with subsequent rapid vaporization and formation of a white cloud due to its slight solubility in an aqueous environment. It spontaneously converted to a … " - Phosgene odor threshold

Phosgene odor threshold

Phosgene: Acute Exposure Guideline Levels - Acute Exposure …

WebThe odor threshold for phosgene is about 0.5 to 1 ppm. This level will vary with the individual and is usually higher following exposure because of olfactory fatigue. The odor … WebApr 1, 2009 · Inhalation is the most important route of exposure for phosgene. A latency period occurs before phosgene affects the target organ, the lungs. The odor threshold is between 0.5 and 1.5 ppm, and the odor has been described as similar to newly-mown hay. Toxic effects have been reported at concentrations below the threshold. On initial …

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WebAbstract. Phosgene is a colorless gas with an odor of freshly cut hay or grass. It is a highly toxic gas and is potentially used in manufacturing industries (pharmaceuticals, fertilizers, paint, and dyes); hence, occupational workers are more vulnerable to accidental inhalation of phosgene. The accidental release of phosgene may cause serious ... WebOdor threshold is 5 times greater than OSHA PEL. Thus, odor provides insufficient warning of hazardous concentrations. Phosgene’s irritating quality can be mild and delayed, which …

WebRate of onset: Immediate & Delayed (Lungs) Persistence: Minutes - hours Odor threshold: 0.5 ppm Source/use/other hazard: Dye, pesticide, and other industries; history as war gas, corrosive/irritating. Hazards What is this information? Reactivity Alerts none Air & … http://www.cameochemicals.noaa.gov/chemical/4228

WebPhosgene is colorless, fuming liquid below 47°F (8.2°C) and a colorless, nonflammable gas above 47°F with a suffocating odor like new mown hay. The odor threshold for phosgene … WebOdor; Odor Threshold; Other Properties; Solubilities; Vapor Density; Vapor Pressure; Viscosity; Hazmat. ... Phosgene CAS RN: 75-44-5 Threshold Limit Values. 8 hr Time Weighted Avg (TWA): 0.1 ppm . ACGIH. Excursion Limit Recommendation: Excursions in worker exposure levels may exceed 3 times the TLV-TWA for no more than a total of 30 …

Web10 AEGLs repr esent threshold exposure limits for the general public and are applicable to ... 32 mild and progressively increasing but transient and nondisabling odor, taste, and sensory 33 irritation or certain as ymptomatic, non-sensory effects. ... 4 Phosgene oxime (CX) is an urticant or nettle agent causing instant intolerable pain,

Inhalation is the major route of phosgene exposure. The odorthreshold for phosgene is 5 times higher than the OSHA PEL. Thus, odor provides insufficient warning of hazardousconcentrations. … See more OSHA PEL (permissible exposure limit) = 0.1 ppm (averaged overa 8-hour workshift) NIOSH IDLH (immediately dangerous to life or health) = 2 ppm AIHA ERPG-2 (emergency response … See more Phosgene is a colorless, fuming liquid below 47° (8.2°) and acolorless, nonflammable gas above 47°. At low concentrations, itsodor is similar to that of green corn or new mown hay; at highconcentrations, … See more Phosgene is produced commercially by chlorinating carbonmonoxide. It is a combustion or decomposition by-product of mostvolatile chlorinated compounds; therefore, household … See more grace folts chill factor last night line danceWebPhosgene (COCl₂) is a colorless gas with a suffocating odor like musty hay. Exposure to phosgene may cause irritation to the eyes, dry burning throat, vomiting, cough, foamy sputum, breathing difficulty, and chest pain; and … grace foodenWebThe odor threshold is reported to be between 0.5 and 1.5 parts per million (ppm), a value above or approaching AEGL-2 and AEGL-3 values, and tolerance to the pleasant odor of phosgene occurs rapidly. Furthermore, following odor detection and minor irritation, serious effects may occur after a clinical latency period of ≤24 h. chill factor in manchesterWebMar 1, 2001 · Phosgene (carbonyl chloride, CAS 75-44-5) is a highly reactive gas of historical interest and current industrial importance. Phosgene has also proved to be a useful model for the study of those... grace fong pianoWebJan 1, 2024 · The odor threshold is between 0.5 and 1.5 Data regarding humans are limited to occupational exposures or accounts from the use of phosgene in World War I. Animal studies with phosgene show a steep exposure–response curve … chill factor shopsWebAt high concentrations, phosgene (CG) has a strong, suffocating, unpleasant odor. However, the odor is only detectable for a short amount of time when phosgene (CG) is initially … grace food distribution